sk_buff_head_l
WRITE_ONCE(((struct sk_buff_head_l *)next)->prev, new);
WRITE_ONCE(((struct sk_buff_head_l *)prev)->next, new);
__skb_insert(new, skb, ((struct sk_buff_head_l *)skb)->next, q);
WRITE_ONCE(((struct sk_buff_head_l *)p)->next, b);
WRITE_ONCE(((struct sk_buff_head_l *)n)->prev, e);